void category_inc_histogram_count_aux(struct histogram *h, double value, double walltime) {
if(value >= 0 && walltime >= 0) {
histogram_insert(h, value);
double *time_accum = (double *) histogram_get_data(h, value);
if(!time_accum) {
time_accum = malloc(sizeof(double));
histogram_attach_data(h, value, time_accum);
*time_accum = 0;
}
// accumulate time (in seconds) for this bucket
*time_accum += walltime/USECOND;
}
}
int main(int argc, char **argv) {
// use bucket size of .5
struct histogram *h = histogram_create(.5);
// bucket [3.0, 3.5)
histogram_insert(h, 3.00);
histogram_insert(h, 3.14);
// bucket [21.5, 22.0)
histogram_insert(h, 21.99);
// bucket [22.0, 22.5)
histogram_insert(h, 22.00);
histogram_insert(h, 22.20);
histogram_insert(h, 22.49);
// bucket [22.5, 23.0)
histogram_insert(h, 22.50);
histogram_insert(h, 22.99);
// bucket [-22.0, -21.5)
histogram_insert(h, -21.51);
histogram_insert(h, -22.00);
// bucket [-21.5, -21.0)
histogram_insert(h, -21.49);
histogram_insert(h, -21.20);
histogram_insert(h, -21.01);
double *buckets = histogram_buckets(h);
double b = histogram_bucket_size(h);
int expected_counts[] = {2, 3, 2, 1, 3, 2};
int i;
for(i = 0; i < histogram_size(h); i++) {
double start = buckets[i];
int count = histogram_count(h, start);
if(expected_counts[i] != count) {
fprintf(stderr, "Expected a count of %d, got %d.", expected_counts[i], count);
return -1;
}
fprintf(stdout, "[%6.2lf, %6.2f) count: %d\n", start, start + b, histogram_count(h, start));
}
fprintf(stdout, "max: %6.2lf\n", histogram_max_value(h));
fprintf(stdout, "min: %6.2lf\n", histogram_min_value(h));
fprintf(stdout, "mode: %6.2lf\n", histogram_mode(h));
fprintf(stdout, "mode count: %d\n", histogram_count(h, histogram_mode(h)));
free(buckets);
histogram_delete(h);
return 0;
}
